Whakaoti mō x
x=12
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x+2\left(-x\right)+1=x+13
Tāpirihia te 10 ki te 3, ka 13.
4x+2\left(-x\right)+1-x=13
Tangohia te x mai i ngā taha e rua.
3x+2\left(-x\right)+1=13
Pahekotia te 4x me -x, ka 3x.
3x+2\left(-x\right)=13-1
Tangohia te 1 mai i ngā taha e rua.
3x+2\left(-x\right)=12
Tangohia te 1 i te 13, ka 12.
3x-2x=12
Whakareatia te 2 ki te -1, ka -2.
x=12
Pahekotia te 3x me -2x, ka x.
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